Daylight and Sunlight Surveyor in Southampton

Daylight and sunlight reports support a steady volume of planning applications across Southampton, particularly on the city centre regeneration sites, mid-rise residential blocks, and the waterfront redevelopment plots. Reports follow the BRE guidelines (2022 edition) and cover the technical analysis, design context, and any massing advice that helps the scheme work within Southampton City Council expectations.

BRE 209 Assessments in Southampton

Southampton City Council reviews a wide planning caseload, with city centre regeneration sites, mid-rise residential blocks near the station and along the waterfront, and the larger student and mixed-use schemes near the university all generating daylight and sunlight queries. Schemes that materially affect neighbouring habitable rooms, garden amenity, or shared open space typically need a report, and the larger waterfront proposals regularly carry overshadowing analysis alongside the main study.

Our team prepares these reports under RICS regulation from our Hampshire office, with BRE 209 (2022) as the working reference. Site attendance across Southampton runs faster than for London-led practices, and for larger developments that could affect a neighbour's legal entitlement to light, rights of light assessments sit alongside the planning piece. Where the scheme involves building over an existing property, airspace development advice sits alongside the daylight piece.

Daylight + Sunlight

Using the knowledge we have gained throughout our involvement in projects of differing size and complexities, we are able to apply the criteria within the BRE guidelines and produce comprehensive reports to accompany a planning application.

When assessing daylight and sunlight, we work with a professional team to try and achieve the best outcome for a site, whilst respecting the neighbouring properties’ access to daylight and sunlight. We will also provide advice on how the design of potential residential accommodation can ensure access to good levels of daylight and sunlight.

Services Provided

  • Initial Site Appraisal

  • Daylight + Sunlight Analysis

  • Overshadowing Analysis

  • Sunpath Analysis

  • Assess the impact of existing trees on a proposed development

  • Produce detailed reports to accompany planning applications

How do we deliver BRE 209 assessments in Southampton?

Each Southampton report starts with the proposed scheme drawings and an initial site appraisal that grounds the analysis in the existing context. A 3D model then captures the development and the affected neighbouring properties, before running against BRE 209 (2022) methodology covering daylight, sunlight, and overshadowing as the scheme requires.

Vertical Sky Component covers light to windows. Annual Probable Sunlight Hours covers sunlight to habitable rooms with relevant orientation. Overshadowing analysis tests amenity space under the 21 March sun position recommended in the guidance. No Sky Line and sunpath studies sit alongside where geometry or seasonal access matter to the result for the proposed scheme.

The report sets out methodology, figures, and design rationale where the numbers run below BRE 209 reference values. Typical turnaround is 2 to 3 weeks from instruction. A free initial assessment confirms scope before any fee is set. This is a bespoke surveying service shaped to each scheme.

I have worked with CHP for a number of years, obtaining advice from them with regard to daylight and sunlight. They provide exactly what our clients require and work closely with us to resolve any issues, should they arise.

- Andrew Ryley , DLBP

How does a daylight and sunlight report support a Southampton planning submission?

A formatted report attached to the planning submission gives the Southampton City Council case officer the technical evidence they need without follow-up requests at validation. Where the figures sit cleanly inside BRE 209 reference values, the planning conversation moves on. Where they sit below, the design rationale, the existing density, and the city centre or waterfront context explain why the proposal is still acceptable on balance.

BRE 209 reference values are guidance, not pass or fail. Reports are turned around in 2 to 3 weeks. The practice has been delivering daylight and sunlight reports across the South Coast and East of England since 2004, and the free initial assessment is the way in for borderline cases or for early advice on scope.

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Get in touch.

Head Office
2-6 Boundary Row
London, SE1 8HP

Essex Office
2-6 Boundary Row
London, SE1 8HP


020 3714 4090

Get in touch.

Head Office
2-6 Boundary Row
London, SE1 8HP

Essex Office
2nd Floor, 10 High Street
Wickford, Essex
SS12 9AZ


020 3714 4090
enquiries@chpsurveyors.com